Beijing Jinzhaobo High Tension Fastener Co.,ltd, is professional supplier for fastener, Our products were certificated by ISO9001: 2000 quality system. Our main products are: Hex bolt (HDG, EG, 4.8. 6.8, 8.8), hex nut, washers, anchor bolt(L bolt), stud bolt, and so on.renata[AT]jzbolts.com renata-jzboltsAThotmail.com